These entries are queried from radb.net using whois, you can try my project getting these.
:AS12979 route: 213.156.128.0/24 descr: Company Transinfoset descr: TSI-NET-128 origin: AS12979 mnt-by: TRANSINFORM-MNT created: 2006-06-21T09:11:45Z last-modified: 2006-06-21T09:11:45Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 213.156.129.0/24 descr: Company Transinfoset descr: TSI-NET-129 origin: AS12979 mnt-by: MNT-Transinfoset created: 2006-06-21T09:13:35Z last-modified: 2017-08-24T12:52:13Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 213.156.130.0/24 descr: Company Transinfoset descr: TSI-NET-130 origin: AS12979 mnt-by: MNT-Transinfoset created: 2006-06-21T09:15:03Z last-modified: 2017-08-24T12:55:39Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 213.156.131.0/24 descr: Company Transinfoset descr: TSI-NET-131 origin: AS12979 mnt-by: TRANSINFORM-MNT created: 2006-06-21T09:16:39Z last-modified: 2006-06-21T09:16:39Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source